20890327680

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1487}}^1$

素因数の和:1789

約数の個数: 320

約数和(自身を含む): 74928775680

約数和(自身を除く): 54038448000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 271, 288, 320, 324, 360, 384, 405, 432, 480, 540, 542, 576, 640, 648, 720, 810, 813, 864, 960, 1080, 1084, 1152, 1296, 1355, 1440, 1487, 1620, 1626, 1728, 1920, 2160, 2168, 2439, 2592, 2710, 2880, 2974, 3240, 3252, 3456, 4065, 4320, 4336, 4461, 4878, 5184, 5420, 5760, 5948, 6480, 6504, 7317, 7435, 8130, 8640, 8672, 8922, 9756, 10368, 10840, 11896, 12195, 12960, 13008, 13383, 14634, 14870, 16260, 17280, 17344, 17844, 19512, 21680, 21951, 22305, 23792, 24390, 25920, 26016, 26766, 29268, 29740, 32520, 34688, 35688, 36585, 39024, 40149, 43360, 43902, 44610, 47584, 48780, 51840, 52032, 53532, 58536, 59480, 65040, 66915, 71376, 73170, 78048, 80298, 86720, 87804, 89220, 95168, 97560, 104064, 107064, 109755, 117072, 118960, 120447, 130080, 133830, 142752, 146340, 156096, 160596, 173440, 175608, 178440, 190336, 195120, 200745, 214128, 219510, 234144, 237920, 240894, 260160, 267660, 285504, 292680, 312192, 321192, 351216, 356880, 390240, 401490, 402977, 428256, 439020, 468288, 475840, 481788, 520320, 535320, 571008, 585360, 602235, 642384, 702432, 713760, 780480, 802980, 805954, 856512, 878040, 936576, 951680, 963576, 1070640, 1170720, 1204470, 1208931, 1284768, 1404864, 1427520, 1560960, 1605960, 1611908, 1713024, 1756080, 1927152, 2014885, 2141280, 2341440, 2408940, 2417862, 2569536, 2809728, 2855040, 3211920, 3223816, 3512160, 3626793, 3854304, 4029770, 4282560, 4682880, 4817880, 4835724, 5139072, 6044655, 6423840, 6447632, 7024320, 7253586, 7708608, 8059540, 8565120, 9635760, 9671448, 10880379, 12089310, 12847680, 12895264, 14048640, 14507172, 15417216, 16119080, 18133965, 19271520, 19342896, 21760758, 24178620, 25695360, 25790528, 29014344, 32238160, 32641137, 36267930, 38543040, 38685792, 43521516, 48357240, 51581056, 54401895, 58028688, 64476320, 65282274, 72535860, 77086080, 77371584, 87043032, 96714480, 108803790, 116057376, 128952640, 130564548, 145071720, 154743168, 163205685, 174086064, 193428960, 217607580, 232114752, 257905280, 261129096, 290143440, 326411370, 348172128, 386857920, 435215160, 464229504, 522258192, 580286880, 652822740, 696344256, 773715840, 870430320, 1044516384, 1160573760, 1305645480, 1392688512, 1740860640, 2089032768, 2321147520, 2611290960, 3481721280, 4178065536, 5222581920, 6963442560, 10445163840, 20890327680]

約数ペア:

[(1, 20890327680), (2, 10445163840), (3, 6963442560), (4, 5222581920), (5, 4178065536), (6, 3481721280), (8, 2611290960), (9, 2321147520), (10, 2089032768), (12, 1740860640), (15, 1392688512), (16, 1305645480), (18, 1160573760), (20, 1044516384), (24, 870430320), (27, 773715840), (30, 696344256), (32, 652822740), (36, 580286880), (40, 522258192), (45, 464229504), (48, 435215160), (54, 386857920), (60, 348172128), (64, 326411370), (72, 290143440), (80, 261129096), (81, 257905280), (90, 232114752), (96, 217607580), (108, 193428960), (120, 174086064), (128, 163205685), (135, 154743168), (144, 145071720), (160, 130564548), (162, 128952640), (180, 116057376), (192, 108803790), (216, 96714480), (240, 87043032), (270, 77371584), (271, 77086080), (288, 72535860), (320, 65282274), (324, 64476320), (360, 58028688), (384, 54401895), (405, 51581056), (432, 48357240), (480, 43521516), (540, 38685792), (542, 38543040), (576, 36267930), (640, 32641137), (648, 32238160), (720, 29014344), (810, 25790528), (813, 25695360), (864, 24178620), (960, 21760758), (1080, 19342896), (1084, 19271520), (1152, 18133965), (1296, 16119080), (1355, 15417216), (1440, 14507172), (1487, 14048640), (1620, 12895264), (1626, 12847680), (1728, 12089310), (1920, 10880379), (2160, 9671448), (2168, 9635760), (2439, 8565120), (2592, 8059540), (2710, 7708608), (2880, 7253586), (2974, 7024320), (3240, 6447632), (3252, 6423840), (3456, 6044655), (4065, 5139072), (4320, 4835724), (4336, 4817880), (4461, 4682880), (4878, 4282560), (5184, 4029770), (5420, 3854304), (5760, 3626793), (5948, 3512160), (6480, 3223816), (6504, 3211920), (7317, 2855040), (7435, 2809728), (8130, 2569536), (8640, 2417862), (8672, 2408940), (8922, 2341440), (9756, 2141280), (10368, 2014885), (10840, 1927152), (11896, 1756080), (12195, 1713024), (12960, 1611908), (13008, 1605960), (13383, 1560960), (14634, 1427520), (14870, 1404864), (16260, 1284768), (17280, 1208931), (17344, 1204470), (17844, 1170720), (19512, 1070640), (21680, 963576), (21951, 951680), (22305, 936576), (23792, 878040), (24390, 856512), (25920, 805954), (26016, 802980), (26766, 780480), (29268, 713760), (29740, 702432), (32520, 642384), (34688, 602235), (35688, 585360), (36585, 571008), (39024, 535320), (40149, 520320), (43360, 481788), (43902, 475840), (44610, 468288), (47584, 439020), (48780, 428256), (51840, 402977), (52032, 401490), (53532, 390240), (58536, 356880), (59480, 351216), (65040, 321192), (66915, 312192), (71376, 292680), (73170, 285504), (78048, 267660), (80298, 260160), (86720, 240894), (87804, 237920), (89220, 234144), (95168, 219510), (97560, 214128), (104064, 200745), (107064, 195120), (109755, 190336), (117072, 178440), (118960, 175608), (120447, 173440), (130080, 160596), (133830, 156096), (142752, 146340)]